Control tool for and a method of calibrating a photographic proc

Details Control tool for and a method of calibrating a photographic proc Control tool for and a method of calibrating a photographic proc

1998-10-13

2000-11-28

Adams, Russell

Photocopying

Projection printing and copying cameras

Methods

355 40, 396563, 430359, G03B 2732, G03B 2752, G03B 4100, G03C 700

Patent

active

061542725

ABSTRACT:
A control tool and method for calibrating a photographic printer and a photographic processor. The tool comprises an exposed unprocessed photographic filmstrip having a first image section for use in calibrating a photographic printer and a second image section for use in calibrating a photographic processor with respect to a predetermined aim. The first image section comprises a plurality of exposures of the same image, each image having a different exposure level, and the second image section comprising a plurality of density patches, each having a different exposure level. The exposed tool is developed so to determine the exposure levels. The exposure levels are compared with predetermined aims. The tool is printed if the measured data is within prescribed limits, or the film processor is adjusted in accordance with corrective measures if the measured data is outside said prescribed limits.

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